31130441011 has 8 divisors (see below), whose sum is σ = 31342793984. Its totient is φ = 30918169800.

The previous prime is 31130440969. The next prime is 31130441029. The reversal of 31130441011 is 11014403113.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31130441011 - 2¹³ = 31130432819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31130441011.

It is not an unprimeable number, because it can be changed into a prime (31130441071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876970 + ... + 911776.

It is an arithmetic number, because the mean of its divisors is an integer number (3917849248).

Almost surely, 2^31130441011 is an apocalyptic number.

31130441011 is a deficient number, since it is larger than the sum of its proper divisors (212352973).

31130441011 is a wasteful number, since it uses less digits than its factorization.

31130441011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40881.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31130441011 its reverse (11014403113), we get a palindrome (42144844124).

The spelling of 31130441011 in words is "thirty-one billion, one hundred thirty million, four hundred forty-one thousand, eleven".